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shm: Allow ShmPipe to save a data pointer for applications

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This commit is contained in:
Sjoerd Simons 2011-03-16 18:51:50 +00:00
parent f6efb3e397
commit ca9d60702f
2 changed files with 16 additions and 0 deletions
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13
sys/shm/shmpipe.c
View file

@ -120,6 +120,7 @@ struct _ShmPipe
int main_socket;
char *socket_path;
int use_count;
void *data;
ShmArea *shm_area;
@ -374,6 +375,18 @@ sp_shm_area_dec (ShmPipe * self, ShmArea * area)
}
}
void *
sp_get_data (ShmPipe * self)
{
return self->data;
}
void
sp_set_data (ShmPipe * self, void *data)
{
self->data = data;
}
static void
sp_inc (ShmPipe * self)
{

3
sys/shm/shmpipe.h
View file

@ -75,6 +75,8 @@ typedef struct _ShmBlock ShmBlock;
ShmPipe *sp_writer_create (const char *path, size_t size, mode_t perms);
const char *sp_writer_get_path (ShmPipe *pipe);
void sp_close (ShmPipe * self);
void *sp_get_data (ShmPipe * self);
void sp_set_data (ShmPipe * self, void *data);
int sp_writer_setperms_shm (ShmPipe * self, mode_t perms);
int sp_writer_resize (ShmPipe * self, size_t size);
@ -86,6 +88,7 @@ ShmBlock *sp_writer_alloc_block (ShmPipe * self, size_t size);
void sp_writer_free_block (ShmBlock *block);
int sp_writer_send_buf (ShmPipe * self, char *buf, size_t size);
char *sp_writer_block_get_buf (ShmBlock *block);
ShmPipe *sp_writer_block_get_pipe (ShmBlock *block);
ShmClient * sp_writer_accept_client (ShmPipe * self);
void sp_writer_close_client (ShmPipe *self, ShmClient * client);